Clean single crystal nickel base superalloy

Details Clean single crystal nickel base superalloy Clean single crystal nickel base superalloy

1995-02-16

1996-08-27

Yee, Deborah

Metal treatment

Stock

Nickel base

148404, 420448, C22C 1905

Patent

active

055497659

ABSTRACT:
A nickel base superalloy composition consisting essentially of, in weight %, 9.3-10.0% Co, 6.4-6.8% Cr, 0.5-0.7% Mo, 6.2-6.6% W, 6.3-6.7% Ta, 5.45-5.75% Al, 0.8-1.2% Ti, 0.07-0.12% Hf, 2.8-3.2% Re, and balance essentially Ni wherein a carbon concentration of about 0.01 to about 0.08 weight % is provided for improving the cleanliness of a single crystal investment casting produced therefrom.

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patent: 5240518 (1993-08-01), Wortman et al.

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